A tool that is used to make holes in stationery for ease of filing.
To create a NAT, WAN-to-LAN port forwarding on the router.
To punch holes using a hole punch.
A surgical instrument with a cylindrical blade used to remove a circular section of tissue, f.e. bone or cornea; a trepan.
To use a trephine during surgery.
To perforate with a trephine.